We use the action of an Artin group on its associated Deligne complex (as defined by Charney and Davis) to give information about the ฮฃ-invariants of Artin groups. This gives a nearly complete description of the finiteness properties of normal subgroups above the commutator subgroup of an Artin grou
โฆ LIBER โฆ
On the invariants of the Hecke groups
โ Scribed by L. A. Parson
- Publisher
- Springer
- Year
- 1983
- Tongue
- English
- Weight
- 38 KB
- Volume
- 262
- Category
- Article
- ISSN
- 0025-5831
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